package com.heima.wemedia.interceptor;

import com.heima.model.wemedia.pojos.WmUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
import thread.WmThreadLocalUtil;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Optional;

@Slf4j
@Component
public class WmTokenInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String userId = request.getHeader("userId");
        //return value == null ? empty() : of(value);
        Optional<String> optional = Optional.ofNullable(userId);
        //return value != null;
        if (optional.isPresent()){
            WmUser wmUser=new WmUser();
            wmUser.setId(Integer.valueOf(userId));
            WmThreadLocalUtil.setWmUserThreadLocal(wmUser);
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        WmThreadLocalUtil.clean();
    }
}
